US6474121B2 - Lock setting changing unit - Google Patents

Lock setting changing unit Download PDF

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Publication number
US6474121B2
US6474121B2 US09/819,335 US81933501A US6474121B2 US 6474121 B2 US6474121 B2 US 6474121B2 US 81933501 A US81933501 A US 81933501A US 6474121 B2 US6474121 B2 US 6474121B2
Authority
US
United States
Prior art keywords
disc
setting
setting tool
sliding member
lock setting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US09/819,335
Other languages
English (en)
Other versions
US20010027670A1 (en
Inventor
Nobuyo Sakai
Osamu Ishikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KEIDAN SANGYOU Co Ltd
Keiden Sangyo Co Ltd
Original Assignee
Keiden Sangyo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Keiden Sangyo Co Ltd filed Critical Keiden Sangyo Co Ltd
Assigned to KEIDAN SANGYOU CO., LTD. reassignment KEIDAN SANGYOU CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ISHIKAWA, OSAMU, SAKAI, NOBUYO
Publication of US20010027670A1 publication Critical patent/US20010027670A1/en
Application granted granted Critical
Publication of US6474121B2 publication Critical patent/US6474121B2/en
Adjusted expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • E05B47/0043—Mechanical locks operated by cards having permanent magnets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/08—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys
    • E05B35/083—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys with changeable combination
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0032—Locks or fastenings for special use for hotel rooms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7057—Permanent magnet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7729—Permutation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7729—Permutation
    • Y10T70/7734—Automatically key set combinations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7729—Permutation
    • Y10T70/774—Adjustable tumblers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7904—Magnetic features

Definitions

  • the present invention relates to a lock setting changing unit which can change the lock state of a locking system using a magnetic card key, and particularly relates to a lock setting changing unit suitable for use in a guest room of a hotel or the like.
  • a locking system which is constituted by a housing, a slider provided in the housing and having a plurality of opened grooves into which magnetic lock pins are inserted, and a pair of plates provided in the housing so that a magnetic card key can be inserted between the plates, said system being further constituted by; a lock setting changing unit comprising: a disc capable of rotating to change magnetic lock setting, said disc being inserted into at least one circular recess portion of the slider; and engagement means provided in the disc so as to prevent a setting tool from being relieved from the disc in the middle of changing the magnetic lock setting; wherein the setting tool is inserted into a center hole of the disc, the disc is rotated by the setting tool so that the magnetic lock setting is changed into a new magnetic lock setting position, and the setting tool is allowed to be relieved from the disc after the magnetic lock setting is changed.
  • This lock setting changing unit in the locking system has a feature that a sliding ember is provided in a closed-end hole crossing a middle of the rotatable disc while being urged outward by a spring; and a cut-off shoulder is formed in the sliding member on one side thereof which is perpendicular to a direction along which a groove is opened in the sliding member, wherein a setting tool is inserted into a center hole of the disc so that an engagement groove of the setting tool is engaged with the groove of the sliding member, the disc is rotated by the setting tool so that magnetic lock setting can be changed into a new magnetic lock setting position, and then a top end head portion of the sliding member is urged by a spring so as to be inserted into one of corresponding engagement grooves in a circuit recess portion, so that the setting tool is allowed to be relieved from the groove of the sliding member.
  • This lock setting changing unit in the locking system has a feature that the top end head portion of a sliding member comes into contact with a circumference of the circular recess portion when the disc is rotated by the setting tool, and an upper side of an axial groove of a spindle shaft of the setting tool engages with a cut-off shoulder formed in the sliding member on one side thereof perpendicular to a direction along which a groove is opened in the sliding member, so that the setting tool cannot be relieved from the disc; and when the disc is rotated to a new magnetic lock setting position by the setting tool, the sliding member is pressed out to one of corresponding engagement grooves in the circular recess portion of the slider by spring force, so that the upper side of the axial groove of the spindle shaft of the setting tool is released from engagement with the cut-off shoulder of the groove of the sliding member, and the setting tool can be then relieved from the disc.
  • the lock setting changing unit in the locking system has a feature that the magnetic lock pins are inserted into a plurality of grooves opened outward in the slider, and an axial groove opened outward is provided also in the disc, so that a magnet inserted into the groove changes its position relative to the slider in accordance with the rotation of the disc.
  • the lock setting changing unit in the locking system has a feature that the setting tool is constituted by a spindle shaft and a grip which are circular in cross section, and a top end of the spindle shaft is formed with a curvature.
  • the spindle shaft has a semicircularly cut-off portion which is semicirclularly cut off from the top end by about one third of the length of the spindle shaft.
  • the semicircular cut-off portion of the spindle shaft forms a long groove in the axial direction of the spindle shaft, and the axial groove of the spindle shaft of the setting tool is engaged with the groove of the sliding member, so that the setting tool cannot be relieved from the groove of the sliding member until the disc is rotated to a new magnetic lock setting position.
  • the lock setting changing unit according to the present invention has a simple structure, can perform an accurate operation and can give a high sense of safety and a high sense of reliability to a user.
  • FIG. 1 is a sectional side view of a locking system having a lock setting changing unit according to the present invention
  • FIG. 2 is a perspective view of a slider provided in the lock setting changing unit according to the present invention.
  • FIGS. 3A to 3 C are side views of setting tools according to the present invention.
  • FIG. 4 is a plan view showing the state where the setting tool is brought into action upon a disc received in a circular recess portion of the slider of the lock setting changing unit according to the present invention
  • FIG. 5 is a perspective view showing the state where the setting tool is brought into action upon the disc of the lock setting changing unit according to the present invention.
  • FIGS. 6 ( a ) to 6 ( c ) are side views respectively showing the state of engagement between the lock-position-changing disc and the setting tool in the lock setting changing unit according to the present invention.
  • a locking system having a lock setting changing unit according to the present invention is attached to a door of a guest room of a hotel.
  • a housing 2 forms the right half of a knob 1 , and the knob 1 is attached to a spindle 4 .
  • Well-known parts in the configuration of the knob 1 will not be described in detail. If the knob 1 is rotated at an unlocking position of the locking system, a tail stock piece 6 rotates to bring an action to a latch of a door (not shown) and the door can be opened.
  • a slider 8 moves downward from a locking position shown in FIG. 1 .
  • a rectangular projection of the slider 8 engages the teeth of a gear wheel plate 32 .
  • the gear wheel plate 32 and the tail stock piece 6 are rotated together with the rotation of the knob 1 .
  • the card key 3 is inserted between a non-magnetic cover plate 24 and a magnetic shield plate 26 .
  • the shield plate 26 is pressed so as to contact to the cover plate 24 by a plate spring 72 .
  • a plurality of magnetic lock pins 13 project partially from holes 14 of the slider 8 , and are received in corresponding holes 21 of a lock plate 28 .
  • the tail stock piece 6 can move from the solid line position to the dotted line position shown in FIG. 1 .
  • An extension pin is provided integrally with an inner end portion of the tail stock piece 6 .
  • the extension pin penetrates a groove hole 56 of the slider 8 and a hole of the lock plate 28 in the axial direction and extends to a hole of the cover plate 24 .
  • two circular recess portions 81 recessed in the axial direction (the left-right direction of FIG. 1) of the circle are provided in the slider 8 .
  • a disc 9 of a non-magnetic material is rotatably received in each of the recess portions 81 .
  • engagement grooves 104 formed in the circumference of the recess portion 81 , a closed-end hole 88 crossing the middle of the disc 9 (see FIG. 4 ), and a sliding member 12 received in the closed-end hole 88 while being urged outward by a spring 10 .
  • An axial groove 84 which is opened outward is provided in the disc 9 .
  • a magnetic lock pin 86 is received in the axial groove 84 movably in the axial direction.
  • the magnetic lock pin 86 enters the corresponding hole of the lock plate 28 in the same manner as the plurality of magnetic lock pins 13 received correspondingly in the axial holes 14 of the slider 8 .
  • the magnetic lock pin 86 is retreated from the lock plate 28 by the insertion of the card key 3 in the locking position in the same manner as the magnetic lock pins 13 .
  • a setting tool 16 having a complementary non-circular engagement portion 16 d is inserted into a flange-side non-circular center hole 18 of the disc 9 through an opening 29 of a wall 80 of the housing 2 .
  • openings 31 are provided in the lock plate 28 , the cover plate 24 and the shield plate 26 , respectively.
  • the disc 9 forms a lock pin support, and the lock pin 86 forms a code changing lock pin.
  • the center hole 18 of the disc 9 is located in an intermediate position of the corresponding hole of the lock plate 28 .
  • the setting tool 16 it is necessary to press down the slider 8 by the card key 3 .
  • the disc 9 may be rotated mischievously.
  • a lock pin 17 is provided in the lock plate 28 so as to be inserted into an axial groove 15 on the back side of the slider 8 .
  • the setting tool 16 is constituted by a spindle shaft 16 a and a grip 16 b which are circular in cross section.
  • a top end 16 c of the spindle shaft 16 a is formed with a curvature.
  • the spindle shaft 16 a has a semicircular cut-off portion 16 e which is semicirclularly cut off from the top end 16 c by about one third of the length of the spindle shaft 16 a .
  • a long groove 16 d in the axial direction of the spindle shaft 16 a is formed by removing the semicircular cut off portion 16 e .
  • a shaft edge cut-off 16 f is formed on a cut-off side rising from the semicircular cut-off portion 16 e.
  • FIG. 3A shows a side view of a setting tool 16 in which a long groove 16 d in the axial direction of the spindle shaft 16 a is formed.
  • FIG. 3B shows a side view of another setting tool 16 in which the semicircular cut-off portion 16 e is viewed from its side.
  • FIG. 3C shows a side view of a further setting tool 16 in which the semicircular cut-off portion 16 e is viewed from a top in plan view.
  • the code changing card key 3 is inserted into the slot 22 of the housing 2 shown in FIG. 1 .
  • the slider 8 moves downward from the locking position in FIG. 1 . If the slider 8 reaches the unlocking position, the rectangular projection of the slider 8 engages the teeth of the gear wheel plate 32 . Thus, the gear wheel plate 32 and the tail stock plate 6 are rotated together with the rotation of the knob 1 .
  • the code changing card key 3 is inserted between the non-magnetic cover plate 24 and the magnetic shield plate 26 so as to release the movement distance limitation of the slider 8 set by the lock pin 17 .
  • the openings 31 provided in the lock plate 28 , the cover plate 24 and the shield plate 26 respectively are adjusted to the opening 29 of the wall 80 of the housing 2 so as to allow the setting tool 16 to be inserted to the opening 29 .
  • the setting tool 16 engages with the disc 9 provided on the slider 8 so as to rotate the disc 9 .
  • the lock setting position can be changed.
  • FIGS. 4 and 5 show the disc 9 constituting the lock setting changing unit according to the present invention.
  • the sliding member 12 is received in a closed-end hole 88 crossing the middle of the disc 9 while being urged outward by a spring 10 .
  • the sliding member 12 is pressed out to one of engagement grooves 104 in the circular recess portion 81 of the slider 8 by the spring force.
  • a top end head portion 12 h of the sliding member 12 is inserted into the engagement groove 104 in the circular recess portion 81 and when lock setting can be changed to the new magnetic lock setting position, the axial groove 16 d of the setting tool 16 is released from the engagement with the sliding member groove 12 a .
  • the setting tool 16 can be relieved from the disc 9 .
  • the sliding member 12 has a groove 12 a correspondingly engaging with the non-circular engagement portion 16 d of the setting tool 16 , that is, the axial groove 16 d which is opened upward.
  • a cut-off shoulder 12 b is formed in the sliding member 12 on one side thereof which is perpendicular to the direction along which the groove 12 a is opened.
  • Magnetic lock pins 13 are inserted into a plurality of grooves 14 which are opened outward in the slider 8 .
  • an axial groove 84 which is opened outward is provided also in the disc 9 .
  • a magnetic lock pin 86 inserted into the axial groove 84 changes its position relative to the slider 8 in accordance with the rotation of the disc 9 .
  • FIGS. 6 ( a ) to 6 ( d ) show the relationship of engagement between the lock-position-changing disc 9 of the lock setting changing unit and the setting tool 16 shown in FIGS. 3A-3C.
  • FIG. 6 ( a ) shows the state where the sliding member 12 of the disc 9 engages with the setting tool 16 so that the setting tool 16 cannot be relieved from the lock setting changing unit even if the setting tool 16 is tried to be relieved.
  • FIG. 6 ( b ) shows the state where the sliding member 12 of the disc 9 rotated for changing the lock setting by the setting tool 16 engages with the setting tool 16 .
  • FIG. 6 ( c ) shows the state where the setting tool 16 has been inserted into the lock-position-changing disc 9 of the lock setting changing unit, or the state where the setting tool 16 has come to a new magnetic lock setting position so that the axial groove 16 d of the setting tool 16 and the sliding member groove 12 a have been released from engagement.
  • FIG. 6 ( d ) shows the state where the setting tool 16 has been removed from the locking system.
  • the setting tool is brought into engagement with the sliding member groove while the disc is rotated. Accordingly, the setting tool cannot be relieved from the disc until the lock setting of the disc can be changed to a new magnetic lock setting position. After the lock setting is changed, the setting tool can be relieved from the sliding member groove. Thus, the setting tool is not at all relieved in the middle of changing the lock setting. So long as the setting tool is not in a correct lock setting position, the setting tool is not at all relieved. Thus, a correct change can be achieved.
  • the lock setting changing unit according to the present invention has a simple structure, can perform an accurate changing operation and can give a high sense of security and a high sense of reliability on the locking system to a user.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
US09/819,335 2000-04-10 2001-03-28 Lock setting changing unit Expired - Fee Related US6474121B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000108459A JP3492589B2 (ja) 2000-04-10 2000-04-10 施錠設定変更装置
JP2000-108459 2000-04-10

Publications (2)

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US20010027670A1 US20010027670A1 (en) 2001-10-11
US6474121B2 true US6474121B2 (en) 2002-11-05

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Application Number Title Priority Date Filing Date
US09/819,335 Expired - Fee Related US6474121B2 (en) 2000-04-10 2001-03-28 Lock setting changing unit

Country Status (5)

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US (1) US6474121B2 (ja)
JP (1) JP3492589B2 (ja)
KR (1) KR100559491B1 (ja)
CN (1) CN1205400C (ja)
TW (1) TW460651B (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040231378A1 (en) * 2003-05-23 2004-11-25 Sedley Bruce Samuel Magnetically coded card for card-operated locks
US20040231377A1 (en) * 2003-05-23 2004-11-25 Sedley Bruce Samuel Magnetic key-operated locks
US20050029205A1 (en) * 2003-08-06 2005-02-10 Mansfield Eric H. Merchandise display hook
US7100833B1 (en) * 2005-07-16 2006-09-05 Sedley Bruce S Mechanical device to encode magnetic cards
US20060201893A1 (en) * 2005-02-02 2006-09-14 Ad4, Llc Display system and associated methods
US20120227446A1 (en) * 2011-03-09 2012-09-13 Checkpoint Systems, Inc. Method and apparatus for securing related products

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100756673B1 (ko) * 2006-11-30 2007-09-07 주식회사 케이코하이텍 도어록킹장치
CN104110176B (zh) * 2014-05-30 2016-08-24 南京航空航天大学 一种多功能旋转工具组件

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4312198A (en) * 1979-08-09 1982-01-26 Sedley Bruce S Magnetic key operated hotel door lock
US4932228A (en) * 1987-01-30 1990-06-12 Schulte-Schlagbaum Aktiengesellschaft Locking device having a large number of locking combinations
US5211040A (en) * 1991-05-21 1993-05-18 Amiet Ag Combination lock
US5406815A (en) * 1990-09-28 1995-04-18 Sedley; Bruce S. Magnetic key operated code-change lock
US5664449A (en) * 1992-06-26 1997-09-09 Sedley; Bruce Samuel Magnetic locks

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2753206A (en) * 1953-09-18 1956-07-03 Miner Inc W H Door fastener keeper
US4133194A (en) * 1976-12-02 1979-01-09 Bruce S. Sedley Magnetic key operated door lock

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4312198A (en) * 1979-08-09 1982-01-26 Sedley Bruce S Magnetic key operated hotel door lock
US4932228A (en) * 1987-01-30 1990-06-12 Schulte-Schlagbaum Aktiengesellschaft Locking device having a large number of locking combinations
US5406815A (en) * 1990-09-28 1995-04-18 Sedley; Bruce S. Magnetic key operated code-change lock
US5211040A (en) * 1991-05-21 1993-05-18 Amiet Ag Combination lock
US5664449A (en) * 1992-06-26 1997-09-09 Sedley; Bruce Samuel Magnetic locks

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7080533B2 (en) 2003-05-23 2006-07-25 Bruce Samuel Sedley Lock and magnetically coded card
US20040231377A1 (en) * 2003-05-23 2004-11-25 Sedley Bruce Samuel Magnetic key-operated locks
US6840071B2 (en) * 2003-05-23 2005-01-11 Bruce Samuel Sedley Magnetic key-operated locks
US20040231378A1 (en) * 2003-05-23 2004-11-25 Sedley Bruce Samuel Magnetically coded card for card-operated locks
US20070119797A1 (en) * 2003-08-06 2007-05-31 Alpha Security Products, Inc. Merchandise display hook
US7178678B2 (en) * 2003-08-06 2007-02-20 Alpha Security Products, Inc. Merchandise display hook
US20050029205A1 (en) * 2003-08-06 2005-02-10 Mansfield Eric H. Merchandise display hook
US7708153B2 (en) 2003-08-06 2010-05-04 Invue Security Products Inc. Merchandise display hook
US20060201893A1 (en) * 2005-02-02 2006-09-14 Ad4, Llc Display system and associated methods
US7163108B2 (en) * 2005-02-02 2007-01-16 Ad4, Llc Display system and associated methods
US7100833B1 (en) * 2005-07-16 2006-09-05 Sedley Bruce S Mechanical device to encode magnetic cards
US20120227446A1 (en) * 2011-03-09 2012-09-13 Checkpoint Systems, Inc. Method and apparatus for securing related products
US9105168B2 (en) * 2011-03-09 2015-08-11 Checkpoint Systems, Inc. Method and apparatus for securing related products

Also Published As

Publication number Publication date
JP2001295519A (ja) 2001-10-26
KR20010090699A (ko) 2001-10-19
JP3492589B2 (ja) 2004-02-03
TW460651B (en) 2001-10-21
KR100559491B1 (ko) 2006-03-10
CN1317618A (zh) 2001-10-17
CN1205400C (zh) 2005-06-08
US20010027670A1 (en) 2001-10-11

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Effective date: 20101105